Arthur p



A, P. STRONG.

ASH CONVEYING SYSTEM.

APPLlcAnoN FILED MAR.21.1918.

1,311,297. VHltvnurd July 29, 191%).

FFII.

ARTHUR P. STRONG, OF CHICAGO, ILLINOIS, ASSIGNOR TO GREEN ENGINEERING COMPANY, OF EAST CHICAGO, INDIANA, A CORPORATION OF ILLINOIS.

Y ASH-CONVEYING SYSTEM.

Specification of Letters Patent.

v Patented July 29, 1919.

Application filed March 21, 1918. Serial No. 223,690.

To all 'whom t may concern.'

Be it known that I, ARTHUR P. STRONG, a

citizen of the United States,residing at Chicago, in the county of Cook and State of Illinois, have invented new anduseful Improvements in Ash-Conveyin Systems, of which the following is a speci cation.

This invention relates to conveying systems for abrasive materials such as ashes and the like. l

In conveying systems of such kind, vthe abrasive materlalor ash is moved through the pipe line pneumatically, the current being created by jets of steam or other fluid being discharged into the pipe line at a plurality of p aces -in its length and inthe direction of flow of the ash current therethrough. It has been the practice heretofore to screw or fasten the steam jet nozzles directly into threaded holes cut inthe wall of the required pipe sections for that purpose, thereby making it necessary to employ a pipe section made of a material, such as soft gray iron, capable of being machined or cut by metal cuttingtools to provide the threaded holes or openings for the nozzles. In a straightrun ofpipe one or more sets of nozzles maybe employed, with the several nozzles of each set arranged about the pipe section so as-to discharge jets of steam into the pipe section Aat substantially the same angles to the center line of the pipe line, so that said jets will intersect at the center of the pipe lineand blend and produce a resultant effort along the center line of'the pipe. In such case, if the nozzles are not accurately alined or set, one jet of fluidl will offset the other and cause the ash current to be'distorted and blown against the inner surface of the pipe section, with the'resultl pipe section will be rapid and detrimental thereto.

It is among the objects of my invention'to provide the pipe section into which the nozzles project of hard iron or a-material of such hardness that itl `cannot be opera-ted uponby machining and thus prolong the life of the pipe section, in case the jets of steam or liuid at any timeblow the ash current to one side of the center line of the pipe section and against the inner wall thereof. With such a pipe section I have devised means whereby the nozzles may be accurately alined or set in such a hard iron pipe section and thus be positioned to discharge jets of steam into the pipe section at the same angles to the center line thereof, so that the jets will intersect at the center line of the pipe section and will blend and produce a resultant eort along the center of the pipe. Such nozzle supporting means is independent of said hard iron pipe section, or, as it may be expressed, other than the hard iron pipe section and may therefore be made of a material that may be machined or operated upon by metal cutting tools for the purpose of permitting the nozzles to be secured thereto in the positionsrequired for properly 'discharging into said hard iron pipe section.

The invention consists further in the matters hereinaftel` described and more particularly pointed out in the appended claims.

In the accompanying drawings- Figure l is a vertical sectional view taken on line 1-1 of Fig. 2 and showing means constructed in accordance with my invention for supporting the nozzles in position to discharge into a pipe section made of a material of such hardness that it cannot be operated upon by machining;

e Fig. 2 is a vertical sectional view taken on line 2 2 of Fig. 1;

Fig. 3 is a perspective view of the supporting member for the nozzles; and

Fig. 4 is a sectional view taken on line 4-4 of Fig. 2. z

In the drawings, I have shown two pipe sections 10 and 1l, forming part of the pipe line of an ash conveying or like system. The pipe section 10 is made of a material of such hardness that it cannot be operated upon j.

by machining, such as hard iron, while the section 11 may be made of the same material or of a relatively softer material such as soft gray iron. 11 are clamped together by any suitable form of clamping means that may be found desirable, but in the drawings there is illustrated .fa clamping meansof that type vcomprising a luralityof radial lugs 12, 13 in tegral wit the pipe sections and through which extend clamping bolts 14L` vSuch formof clamping means is shown merely Said pipe sections 10 andy roo made of a material of such hardness that it is impossible to cut said holes 16, 16 in the Wall thereof by machining. A s shown in Fig. 1, said holes or passages 16, 16 are each arranged at an angle of substantially 45 to the center line a, of the pipe section, and are made larger than the nozzles 15 so as to permit the latter to be adjusted to the angular position required with respect to the center line of said pipe section. i The space between each hole or passage 16- and thenozzle extendinginto the same is packed with a suitable packing 17, such as asbestos, to provide a fiuid tight joint at such point. Located between the opposed ends of the pipe sections 10 and 11 is an annular ring.

or member 18 having an internal diameter substantially equal to the like dimension of the pipe section so that no portlon of the lring projects into the conduit formed by the pipe sections. The outside diameter of the ring 18 is substantially the same as the like dimension of the pipe sections so that no portion of the ring except the ears or flanges 19, 19 project beyond the outside of the pipe sections. Said ring 18 is held between the opposed ends of the pipe sections 10, 11 by the means which serves to clamp the pipe sections together. The nozzles 15, 15 are secured to said lugs 19, 19, and the latter are arranged in such angular positions so that when the nozzles are properly secured thereto, said nozzles will be held in positionsto discharge jets of steam or other fluid into the pipe section 10 at substantially the same angles to the center line ay thereof, thereby causingthe jets of steam to intersect at said center line and blend and produce a resultant effort along said center line, so that the ash current will not be distorted and be blown by one or more of the jets of steam against the inner surface of said pipe section 10 and there produce increased and undue wear. In the drawings, I have shown two nozzles 15,

15, the same being circumferentially spaced apart and arranged diametrically opposite each other. Manifestly. the ears or flanges 19 are likewise arranged, and when the ringf 18 is clamped between the two opposed ends of the pipe section said ears or flanges .19 are arranged between the lugs 12 of the clamping means heretofore referred to.

Each ear 19 is provided with an aperture or hole 20 adapted to have threaded therein the base portion 21 of the nozzle. The ring 18 is made of a material that may be readily operated upon by machining, or, in other words, may be operated upon by metal cutting tools, and it follows that each hole 20 may be cut in the ears 19 at the angle required for properly holding the nozzle 15 in the position desired for the purpose of4 discharging into the pipe section 10. Mani- 4festly, each nozzle 15 may be accurately alined with respect to the other and to the center line of the pipe section 10,. for the purpose of permitting the nozzles to discharge jets of steam into the pipe section -at the same angles to the center line thereof so that they will intersect at said center line and blend for the purposes stated. Should it happen during the operation ofthe system that one nozzle discharges a jet of steam at a greater velocity than the other, it follows that the ash current willvbe deflected from the center line of the pipe section 10 and caused to be blown against one side of the pipe section 10, which if not made of such a hard material as stated would be thereby subjected to undue wear until the pressure of the steam passing through the nozzles should be rectified and be brought 'to unison. Consequently, by providing the pipe section 10 into which the steam jets discharge of such a hard material the life of the pipe section is prolonged, in case it should happen during the operation of the system that the steam jetsblow the ash c urrent to one side of the pipe section: It is manifest that with soft gray iron pipe secv tions asheretofore used such blowing of the ash current against the walls of the pipe section is detrimental thereto and soon causes 'the same to be worn out, whereas with my `ward of the nozzles, said rings maybe made of ya soft material for the purposes stated, and furthermore are not subjected to undue wear, because the ash current is not distorted along the conduit where the supporting ring is located. ,It is particularly noted that with `my construction the nozzles are supported byimeans other than the hard pipe section 10 and thus permit the making of such means of a kmaterial vcapable of being machined for accurately-aiming the nozzles` and thus isa avoid distortion of the ash current passing through such pipe section, particularly at the point ofintersection of the steam jets discharged into thel pipe section by the nozzles. In Fig. 1, there is shown for illustrative purposes a conduit 22 connected with each nozzle for leading steam or the like thereto.

While I have shown a means embodying the ,features of my invention for supporting .where a change of direction of flow is necessary. Moreover, While I have showny the nozzles 15, 15 each arranged at an angle of 45 to the center line a, it is of course to be understood that I may arrange thenozzles at any other angles found desirable.

Although I have shown and described in detail herein one preferred form of my invention,'yet it is of course to be understood that the various details of construction and arrangement of parts may be variously changed and modiiied "without departing from the spirit and scope of my invention,

and I do not wish to be limited to the details of construction and arrangement of parts illustrated, except as pointed out in the appended claims.

I claim as my invention:

1. In an ash conveying or like system, a pipe section made of a material of such hardness that it cannot be operated upon by machining, said pipe section having a hole therein, a nozzle projecting into said hole, and means other than said pipe section for supporting said nozzle.

2. In an ash conveying or like system, a pipe section made of a material of such hardness that it cannot be operated upon by machining, said pipe section having a hole therein, a nozzle. projecting into said hole, and a member other than said pipe section :tor supporting said nozzle, said member being made of a material that may be operated upon by machining so that the nozzle may be secured thereto at the angle required for properly discharging into said ipe section.

3.'In an ash conveying or likje system, a pipe section made of a material'of such hardness that it cannot be operated upon by machining, said pipe section having a hole therein, a nozzleprojecting into said hole, and a member other than said pipe section for supporting said nozzle and provided with an aperture in which-said nozzle is secured, said member being made of a material that may be operated upon by machining so that said aperture may be made at the angle required for holding the nozzle in proper discharging position. Y

4. In an ash conveying or likesystem, a pipe section made of a material of such hardness that it cannot be operated upon by machining, said pipe section having a plurality of holes therein, a nozzle projecting into each of said holes, and means other than said pipe-section for supporting said nozzles and being made of a materialthat may be operated upon by machining so that said nozzles may be secured to said means at the angles required' for holding them in proper discharging position. y

5. In an ash conveying or like system, a pipe section m'ade Vot a material of such ardness that it cannot be operated upon by machining, said pipe section having a plurality of circumferentially spaced holes therein, a nozzle projecting into each of said holes,

land a member other than said pipe section for supporting said nozzles and being made of a material that maybe operated upon by machining so that said nozzles may be secured kto said member at the angles required f or properly discharging into said pipe section.

6. In an ash conveying or like system,

two alined pipe sections, one of said pipe sections having a hole extending throughv the wall thereof, a nozzle projecting into said hole, and means clamped between the opposed ends of said 4pipe sections for supporting said nozzle.

y 7. In an ash conveying or like system, two alined pipe sections, one of said pipe sections having a plurality of circumferentially spaced holes extending through the wall thereof, a nozzle projecting into each of said holesand a member'clamped between the opposed ends of said pipe sections for supporting said nozzles. l

8. In an ash conveying or like system, two alined pipe sections, one of'said pipe sections being made of a material of such hardness that it cannot be operated upon by machining and havin through the wall thereoli, a nozzle projecting into said hole, and a member clamped between the opposed ends of said `pipe sections for supporting said nozzle. l

9. In an ash conveying or like system, two alined pipe sections, one of said pipe sections being made of a material of such hardness that it cannot be operated upon .by machining and having a hole extending through the wall thereof, a nozzle projecting into said hole, and a member clamped between the opa hole extending the angle required for holding the nozzle in ing said nozzle, and packing inserted'in said v proper discharging position. hole about said nozzle.

1-0. In an ash conveying or like system, In testimony that I claim the foregoing two alined pipe sections, one of said pipe Secas my invention, I affix `my signature in the 5 tions bein made of a material of such hardpresence of two witnesses, this lthday of 15 ness that 1t cannot be o erated upon by maarch, 1918. ohining and having a ho e extendlng through y ARTHUR P. STRONG. the Wall thereof, a nozzle projeotinof into Witnesses: said hole, a member clamped between tthe op- HERAN INGRAM, 10 posed ends of said pipe sections for support- H. R. WILSON. 

